The add() method of Java ArrayList class is used to add elements to an ArrayList. In this guide, we will see various examples of add… [Read More]

In this tutorial we will learn how to compare two ArrayList. We would be using contains() method for comparing two elements of different ArrayList. public… [Read More]

When we are dealing with ArrayList of Objects then it is must to Override the toString() method in order to get the output in desired… [Read More]

ArrayList is serializable by default. This means you need not to implement Serializable interface explicitly in order to serialize an ArrayList. In this tutorial we will learn how… [Read More]

In this tutorial we will see how to join (or Combine) two ArrayLists in Java. We will be using addAll() method to add both the… [Read More]

You can find the length (or size) of an ArrayList in Java using size() method. The size() method returns the number of elements present in… [Read More]

There are two ways to empty an ArrayList – By using ArrayList.clear() method or with the help of ArrayList.removeAll() method. Although both methods do the same… [Read More]

We have already discussed a bit about synchronization when we shared the tutorial on Vector vs ArrayList. As we are aware that ArrayList is non-synchronized… [Read More]

This tutorial will help you understand how to swap two elements in an ArrayList. We are using Collections.swap() method for swapping. public static void swap(List… [Read More]